I've been running one of these 2004 plate on veg for 18 months . I put one of the heated Bosch type off Biotuning ( who seem to have stopped trading!) filters on it and ran that off the EGR cooler pipes after blanking the EGR. It won't run as much % of veg as my old Xantia, it stutters when you put the gas on, say coming off a roundabout, so it needs more DERV to keep it happy . I run it about 60v/40d. I'm happy .